#ifndef SNAKE_H
#define SNAKE_MAX_LENGTH 20
#define SNAKE_HEAD 'H'
#define SNAKE_BODY 'X'
#define BLANK_CELL ' '
#define SNAKE_FOOD '$'
#define WALL_CELL '*'
#define OBSTACLE '@'
#define MAX_FOOD_NUMBER 5
#define MAX_OBSTACLE_NUMBER 5

extern char map[12][13];
extern int snakeX[SNAKE_MAX_LENGTH]; 
extern int snakeY[SNAKE_MAX_LENGTH];
extern int snakeLength;
void snake_eat(int, int);
void snake_move(int, int, int*);
#endif 